How is Klinefelter diagnosed?
The doctor will look at the chromosomes to check for an extra X chromosome. Looking at someone’s chromosomes is done by a blood test called karyotype. This test can confirm a diagnosis of Klinefelter syndrome because there are 47 chromosomes, including two X chromosomes and a Y.
When is Klinefelter’s diagnosed?
Klinefelter syndrome usually is not diagnosed until the time of puberty. At this point, the boy’s testicles fail to grow, and you may start to notice other symptoms.
What does an XXY person look like?
As XXY males enter puberty, they may have a taller, less muscular body, less facial and body hair, and broader hips than other boys. As teens, XXY males may have larger breasts, weaker bones, and a lower energy level than other boys.
Which of the following is an example of a Klinefelter syndrome?
Males who have Klinefelter syndrome may have the following symptoms: small, firm testes, a small penis, sparse pubic, armpit and facial hair, enlarged breasts (called gynecomastia), tall stature, and abnormal body proportions (long legs, short trunk).
What is the difference between XXY and XYY?
Despite having fewer learning and language problems than the 47,XXY group, males with 47,XYY have been reported to be more disruptive and impulsive, which greatly interferes with their learning skills. Males with 47,XXY are typically shy and withdrawn compared to 47,XYY.
Are men with Klinefelter syndrome fertile?
Klinefelter syndrome is a common genetic condition. Affected non-mosaic men are azoospermic and have been labelled as infertile. Despite reports that these men can have children using assisted reproduction techniques, it is not common practice in the UK to offer sperm retrieval to these men.
Can someone with Klinefelter have kids?
The vast majority of men with Klinefelter syndrome are infertile and can’t father a child the usual way. Options for becoming natural parents are limited, but fertility researchers are working on new treatments.